xed-immdis.h

Go to the documentation of this file.

/*BEGIN_LEGAL 
Copyright (c) 2007, Intel Corp.
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided
      with the distribution.

    * Neither the name of Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
END_LEGAL */



#ifndef _XED_IMMDIS_H_
# define _XED_IMMDIS_H_

#include "xed-types.h"
#include "xed-common-defs.h"
#include "xed-util.h"


// DEFINES

// TYPES
// PROTOTYPES

// GLOBALS

#define XED_MAX_IMMDIS_BYTES 8

// A union for speed of zeroing
union xed_immdis_values_t
{
    xed_uint8_t x[XED_MAX_IMMDIS_BYTES];// STORED LITTLE ENDIAN. BYTE 0 is LSB
    xed_uint64_t q;
};

typedef struct XED_DLL_EXPORT xed_immdis_s {
    union xed_immdis_values_t value;
    unsigned int currently_used_space :4; // current number of assigned bytes
    unsigned int max_allocated_space :4; // max allocation, 4 or 8
    xed_bool_t present : 1;
    xed_bool_t immediate_is_unsigned : 1;
} xed_immdis_t;

XED_DLL_EXPORT void xed_immdis__check(xed_immdis_t* q, int p) ;


XED_DLL_EXPORT void xed_immdis_init(xed_immdis_t* p, int max_bytes);



XED_DLL_EXPORT unsigned int xed_immdis_get_bytes(const xed_immdis_t* p) ;



XED_DLL_EXPORT xed_int64_t 
xed_immdis_get_signed64(const xed_immdis_t* p);

XED_DLL_EXPORT xed_uint64_t 
xed_immdis_get_unsigned64(const xed_immdis_t* p);

XED_DLL_EXPORT xed_bool_t
xed_immdis_is_zero(const xed_immdis_t* p) ;

XED_DLL_EXPORT xed_bool_t
xed_immdis_is_one(const xed_immdis_t* p) ;

XED_DLL_EXPORT xed_uint8_t   xed_immdis_get_byte(const xed_immdis_t* p, unsigned int i) ;


XED_DLL_EXPORT void    xed_immdis_set_present(xed_immdis_t* p) ;

XED_DLL_EXPORT xed_bool_t    xed_immdis_is_present(const xed_immdis_t* p) ;



XED_DLL_EXPORT void     xed_immdis_set_max_len(xed_immdis_t* p, unsigned int mx) ;
XED_DLL_EXPORT void
xed_immdis_zero(xed_immdis_t* p);

XED_DLL_EXPORT unsigned int    xed_immdis_get_max_length(const xed_immdis_t* p) ;




XED_DLL_EXPORT xed_bool_t
xed_immdis_is_unsigned(const xed_immdis_t* p) ;
XED_DLL_EXPORT xed_bool_t
xed_immdis_is_signed(const xed_immdis_t* p) ;
    
XED_DLL_EXPORT void 
xed_immdis_set_signed(xed_immdis_t* p) ;
XED_DLL_EXPORT void 
xed_immdis_set_unsigned( xed_immdis_t* p) ;



XED_DLL_EXPORT void
xed_immdis_add_byte(xed_immdis_t* p, xed_uint8_t b);


XED_DLL_EXPORT void
xed_immdis_add_byte_array(xed_immdis_t* p, int nb, xed_uint8_t* ba);

XED_DLL_EXPORT void
xed_immdis_add_shortest_width_signed(xed_immdis_t* p, xed_int64_t x, xed_uint8_t legal_widths);

XED_DLL_EXPORT void
xed_immdis_add_shortest_width_unsigned(xed_immdis_t* p, xed_uint64_t x, xed_uint8_t legal_widths );


XED_DLL_EXPORT void
xed_immdis_add8(xed_immdis_t* p, xed_int8_t d);

XED_DLL_EXPORT void
xed_immdis_add16(xed_immdis_t* p, xed_int16_t d);

XED_DLL_EXPORT void
xed_immdis_add32(xed_immdis_t* p, xed_int32_t d);

XED_DLL_EXPORT void
xed_immdis_add64(xed_immdis_t* p, xed_int64_t d);





XED_DLL_EXPORT int xed_immdis_print(const xed_immdis_t* p, char* buf, int buflen);

XED_DLL_EXPORT int
xed_immdis_print_signed_or_unsigned(const xed_immdis_t* p, char* buf, int buflen);

XED_DLL_EXPORT int
xed_immdis_print_value_signed(const xed_immdis_t* p, char* buf, int buflen);

XED_DLL_EXPORT int
xed_immdis_print_value_unsigned(const xed_immdis_t* p, char* buf, int buflen);

int xed_immdis__print_ptr(const xed_immdis_t* p, char* buf, int buflen);
#endif



//Local Variables:
//pref: "../../xed-immdis.c"
//End:

---